/*
 * Copyright (c) 2022 Proton Technologies AG
 * This file is part of Proton Technologies AG and Proton Mail.
 *
 * Proton Mail is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Proton Mail is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Proton Mail. If not, see <https://www.gnu.org/licenses/>.
 */

package ch.protonmail.android.uitest.util

import androidx.test.core.app.ActivityScenario
import ch.protonmail.android.MainActivity

internal object ActivityScenarioHolder {

    private val _scenario: Lazy<ActivityScenario<MainActivity>> = lazy {
        ActivityScenario.launch(MainActivity::class.java)
    }

    val scenario: ActivityScenario<MainActivity>
        get() {
            check(_scenario.isInitialized()) {
                "ActivityScenario not initialized. Make sure the current test has explicitly launched the app."
            }

            return _scenario.value
        }

    fun initialize() {
        // Under the hood it does nothing, just calls the backing field to trigger the Activity launch.
        _scenario.value
    }
}
